bob

verb

/bɒb/

/bɑːb/

Verb Forms

present simple I / you / we / they bob	/bɒb/ /bɑːb/
he / she / it bobs	/bɒbz/ /bɑːbz/
past simple bobbed	/bɒbd/ /bɑːbd/
past participle bobbed	/bɒbd/ /bɑːbd/
-ing form bobbing	/ˈbɒbɪŋ/ /ˈbɑːbɪŋ/

Phrasal Verbs

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[intransitive, transitive] to move or make something move quickly up and down, especially in water（使在水中）上下快速移动，摆动
- an old cigarette packet bobbing along in the current顺水流摆动漂走的旧香烟盒
- bob up and down Tiny boats bobbed up and down in the harbour.小船在港湾中颠簸。
- bob something (up and down) She bobbed her head nervously.她紧张地不断点头。
- The maid bobbed a curtsy.女仆行了个屈膝礼。
Oxford Collocations Dictionary
adverb
- gently
- slightly
- about
- …
phrases
- bob up and down
See full entry
[transitive] bob something to cut somebody’s hair so that it is the same length all the way around把（头发）剪成短头发Topics Appearancec2
More Like This Consonant-doubling verbs
Consonant-doubling verbs
- bob
- club
- dub
- grab
- rub
- sob
- throb
- kid
- nod
- pad
- plod
- prod
- shred
- skid
- thud
- beg
- blog
- bug
- drag
- drug
- flag
- hug
- jog
- log
- mug
- nag
- plug
- acquit
- admit
- allot
- chat
- clot
- commit
- jut
- knit
- pat
- regret
- rot
- spot
- submit

Word Originverb sense 1 late Middle English: of unknown origin. verb sense 2 late Middle English (denoting a bunch or cluster): of unknown origin.

bob

noun

/bɒb/

/bɑːb/

Idioms

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a quick movement down and up of your head and body快速的点头（或鞠躬）
- a bob of the head点头
enlarge image
a style of a woman’s hair in which it is cut the same length all the way around（女式）齐短发型
- She wears her hair in a bob.她留齐短发。
Topics Appearancec2
(plural bob)
(informal) an old British coin, the shilling, worth 12 old pence先令（英国旧制硬币，等于 12 旧便士）
- That'll cost a few bob (= a lot of money).那东西很值钱。
(British English also bobsleigh, North American English also bobsled)
a racing sledge (= a vehicle for two or more people that slides over snow)大雪橇（供两人或以上比赛用）

Word Originnoun sense 1 late Middle English: of unknown origin. noun sense 2 and noun sense 4 late Middle English (denoting a bunch or cluster): of unknown origin. noun sense 3 late 18th cent.: of unknown origin.

Idioms

bits and pieces/bobs

(British English, informal) small objects or items of various kinds零七碎八；零星物品
- She stuffed all her bits and pieces into a bag and left.她把她零零碎碎的东西都塞进了一只包里就走了。
- I just need to get a few bits and pieces at the supermarket.我就在超市买几样零碎的东西。

Bob

noun

/bɒb/

/bɑːb/

Idioms

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a first name for boys, short for Robert 男孩的名字，Robert的缩写

Idioms

Bob’s your uncle

(British English, informal) used to say how easy and quick it is to do a particular task易如反掌
- Press here and Bob's your uncle! It's disappeared.按一下这里就成了！消失了。